package com.sky.mapper;

import com.sky.entity.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

@Mapper
public interface UserMapper {

    @Select("select * from user where openid=#{openid}")
    User getByOpenId(String openid);



//    插入数据
    void insert(User user);


    @Select("select * from user where id=#{id}" )
    User getById(Long userId);
}
